
interface Aa{
    int aa = 3;
    void testA();

    class Ta{
        private int val;

        public void setVal(int val){
            this.val = val;
        }

        public int getVal(){
            return this.val;
        }
    }
}

interface Bb{
    int bb = 4;
    void testB();
}

interface Cc extends Aa, Bb{
    int cc = 5;
    void testC();
}


public class Interface {
    public static void main(String[] args){

        System.out.println("Interface running...");

        System.out.println(Cc.aa);
        System.out.println(Cc.bb);
        System.out.println(Cc.cc);
    }
}
